Difference between revisions of "SCI"
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* [[SCI/Testing]]: Current Testing | * [[SCI/Testing]]: Current Testing | ||
== Resources == | == Resources == | ||
Revision as of 03:55, 5 August 2010
| SCI | ||
|---|---|---|
| Engine developer | clone2727, fingolfin, lskovlun, m_kiewitz, md5, waltervn, wjp | |
| Companies that used it | Sierra | |
| Games that use it | Sierra SCI Games, SCI Fan Games | |
| Date added to ScummVM | 2009-02-14 | |
| First release containing it | None | |
About
SCI, which Sierra referred to as both the "Script Code Interpreter" and later "Sierra's Creative Interpreter", is a p-machine style virtual machine for executing platform-independent, object-oriented code.
SCI was designed for 16-bit little-endian computers, although there were later attempts to create 32-bit versions, LSCI and SCI3. SCI was exclusively used by Sierra On-Line, Inc., to run its computer game series, with titles like Leisure Suit Larry 2-7, Space Quest 3-6, King's Quest 4-7, Quest for Glory 1-4, and several others.
The SCI engine in ScummVM is based on the code of the FreeSCI project, used with permission.
History
SCI was initially created in 1988 by Jeff Stephenson to replace AGI. The first game using it was King's Quest IV at the same year of its creation, which was simultaniously released with an AGI edition for lower-end machines.
Engine Status
- SCI/Testing: Current Testing
Resources
- SCI Bugs: List of known bugs in the original SCI games
- SCI Pirate Bugs: List of known bugs in pirated SCI games (do not fix!)
- SCI Features: Features in SCI
- SCI TODO: TODO Page
- SCI Specifications: SCI Specs, based on "The Sierra Creative Interpreter" document from the FreeSCI Team, with our modifications
- SCI Pathfinding: Documentation by Walter van Niftrik about the pathfinding method used in FreeSCI and now the SCI engine
- SCI Development: Programs used to make SCI Fan Games
- Sierra Game Versions: Versions of Sierra's Games (AGI & SCI)
- FreeSCI Documentation: Technical documentation about FreeSCI
- SCI Patches: A list of known game patches for SCI games, both official and unofficial, which fix several game bugs and offer new features
- SCI/Playthrough videos: Playthrough/let's play videos of several SCI games, for reference and debugging
Debugging
- Show priority and control map in original interpreter (SCI1/SCI11)
- search for A9 06 00 74 05 in original interpreter, replace with all 90h (NOP)
Error loading resource 999.pal message with original interpreter
King's Quest 7
- resource.cfg has to include this:
directory = .\ videoDrv = VESA.DRV soundDrv = ADL.DRV audioDrv = DACBLAST.DRV joyDrv = NO cmd = KQ7DOS mouseDrv = NONE memoryDrv = NONE minMemory = 1600k brightness= 0 language = 1 minCPU = 386 CD = yes resMap=.\ resAUD=.\ resSFX=.\ patchDir=.\;.\AVI robot=.\
- start the game using sierrah -o resource.cfg
Space Quest 6
- Just start the game using "sierra -o". That will fix it (happens at least with SQ6 DOS included in the Space Quest Collection).